diff --git a/.ci/scripts/check_changelog_snippets.py b/.ci/scripts/check_changelog_snippets.py
new file mode 100755
index 000000000..5501373ea
--- /dev/null
+++ b/.ci/scripts/check_changelog_snippets.py
@@ -0,0 +1,39 @@
+#!/bin/env python3
+# /// script
+# requires-python = ">=3.11"
+# dependencies = [
+# ]
+# ///
+import re
+import sys
+import tomllib
+from pathlib import Path
+
+EXCEPTIONS = [
+    ".TEMPLATE.md",
+    ".gitkeep",
+    ".gitignore",
+    "pulp_deb",
+]
+
+
+def snippet_valid(path: Path, changelog_exts: list[str]) -> bool:
+    return (path.name in EXCEPTIONS) or (
+        path.suffix in changelog_exts
+        and (path.stem.startswith("+") or re.fullmatch(r"\d*", path.stem))
+    )
+
+
+if __name__ == "__main__":
+    with Path("pyproject.toml").open("rb") as fp:
+        pyproject_toml = tomllib.load(fp)
+    try:
+        changelog_exts = [
+            f".{item['directory']}" for item in pyproject_toml["tool"]["towncrier"]["type"]
+        ]
+    except KeyError:
+        changelog_exts = [".feature", ".bugfix", ".doc", ".removal", ".misc"]
+    matches = Path("CHANGES").rglob("*")
+    invalid_snippets = ", ".join(f"'{s}'" for s in matches if not snippet_valid(s, changelog_exts))
+    if invalid_snippets:
+        sys.exit(f"LINT: Invalid changelog entries: {invalid_snippets}.")
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bf455eb87..888f978d5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,8 +44,9 @@ jobs:
           uvx twine check dist/*
       - name: "Install built packages"
         run: |
+          uv run .ci/scripts/calc_constraints.py -u pyproject.toml > upperbounds_constraints.txt
           # This seems to be the only way to inject the constraints file.
-          uv pip install dist/pulp_deb-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt
+          uv pip install dist/pulp_deb-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt -c upperbounds_constraints.txt
       - name: "Generate api specs"
         run: |
           pulpcore-manager openapi --file "api.json"
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c2502f588..656b2a621 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -51,6 +51,10 @@ jobs:
         run: |
           ruff check
 
+      - name: "Check Changelog Snippets"
+        run: |
+          uv run .ci/scripts/check_changelog_snippets.py
+
       - name: "Run extra lint checks"
         run: |
           [ ! -x .ci/scripts/extra_linting.sh ] || .ci/scripts/extra_linting.sh
diff --git a/pulp_deb/tests/unit/test_phase_out_reminders.py b/pulp_deb/tests/unit/test_phase_out_reminders.py
deleted file mode 100644
index b9f8451f1..000000000
--- a/pulp_deb/tests/unit/test_phase_out_reminders.py
+++ /dev/null
@@ -1,39 +0,0 @@
-"""Scheduled reminders disguised as tests — these exist to nag, not to verify behavior."""
-
-from importlib.metadata import requires as pkg_requires
-
-from packaging.requirements import Requirement
-from packaging.version import Version
-
-
-def _pulpcore_lower_bound():
-    deps = pkg_requires("pulp-deb") or []
-    pulpcore_spec = next(d for d in deps if d.split(";")[0].strip().startswith("pulpcore"))
-    pulpcore_spec = pulpcore_spec.split(";")[0].strip()
-    req = Requirement(pulpcore_spec)
-    lower_bounds = [spec.version for spec in req.specifier if spec.operator in (">=", ">")]
-    if not lower_bounds:
-        raise ValueError(f"Could not find a lower bound in: {pulpcore_spec!r}")
-    return Version(max(lower_bounds, key=Version))
-
-
-def test_pulpcore_lower_bound_below_3_115():
-    """
-    This is a reminder mechanism, not a functional test.
-
-    Once the pulpcore lower bound in pyproject.toml reaches 3.115, the
-    distribution/publication phase-out work tracked in
-    https://github.com/pulp/pulp_deb/issues/1430 should be finished and this
-    test should be removed.
-
-    If this test is failing, poke Pedro (@pedro-brochado on Matrix) to complete
-    the phase-out and delete this test.
-    """
-    lower_bound = _pulpcore_lower_bound()
-    assert lower_bound < Version("3.115"), (
-        f"pulpcore lower bound is {lower_bound}, which is >= 3.115. "
-        "This is a reminder that the distribution/publication phase-out "
-        "(https://github.com/pulp/pulp_deb/issues/1430) should now be "
-        "completed. Poke @pedro-brochado on Matrix to finish the phase-out "
-        "and remove this test."
-    )
diff --git a/pyproject.toml b/pyproject.toml
index 7f16c51eb..a4ccf8340 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ requires-python = ">=3.11"
 dependencies = [
   # All things django and asyncio are deliberately left to pulpcore
   # Example transitive requirements: asgiref, asyncio, aiohttp
-  "pulpcore>=3.113.0,<3.130",
+  "pulpcore>=3.118.0,<3.130",
   "python-debian>=0.1.44,<0.2.0",
   "jsonschema>=4.6,<5.0",
 ]